<template>
  <el-container :style="{ height: containerHeight + 'px' }">
    <!-- 左侧部门树形菜单列表 -->
    <el-aside style="padding: 10px 0px 0px 0px; background: #fff;border-right: 1px solid #dfe6ec;" width="220px">
      <el-tree style="font-size: 14px" ref="leftTree" :data="deptList" node-key="id" :props="defaultProps"
        default-expand-all empty-text="暂无数据" :show-checkbox="false" :highlight-current="true"
        :expand-on-click-node="false" @node-click="handleNodeClick">
        <div class="custom-tree-node" slot-scope="{ node, data }">
          <div>
            <span v-if="data.children.length == 0">
              <i class="el-icon-document"></i>
            </span>
            <span v-else @click.stop="openBtn(data)">
              <svg-icon v-if="data.open" icon-class="add-s" />
              <svg-icon v-else icon-class="sub-s" />
            </span>
            <!-- 名称 -->
            <span style="margin-left: 3px">{{ node.label }}</span>
          </div>
        </div>
      </el-tree>
    </el-aside>

    <!-- 右侧用户数据 -->
    <!-- 表格数据 -->
    <el-main>
      <!-- 查询条件 -->
      <el-form :model="searchModel" ref="searchForm" label-width="80px" :inline="true" size="small">
        <el-form-item>
          <el-input v-model="searchModel.username" placeholder="请输入用户名" />
        </el-form-item>
        <el-form-item>
          <el-input v-model="searchModel.realName" placeholder="请输入真实姓名" />
        </el-form-item>
        <el-form-item>
          <el-input v-model="searchModel.phone" placeholder="请输入电话" />
        </el-form-item>
        <el-form-item>
          <el-button icon="el-icon-search" type="primary" @click="search(departmentId, pageNo, pageSize)">查询</el-button>
          <el-button icon="el-icon-delete" @click="resetValue()">重置</el-button>
          <el-button icon="el-icon-plus" size="small" type="success" @click="openAddWindow()"  v-if="hasPermission('sys:user:delete')">新增</el-button>
        </el-form-item>
      </el-form>
      <!-- 用户表格数据 -->
      <el-table :height="tableHeight" :data="userList" border stripe style="width: 100%; margin-bottom: 10px">
        <el-table-column prop="username" label="用户名"></el-table-column>
        <el-table-column prop="realName" label="姓名"></el-table-column>
        <el-table-column prop="departmentName" label="所属部门"></el-table-column>
        <el-table-column prop="phone" label="电话"></el-table-column>
        <el-table-column prop="email" label="邮箱"></el-table-column>
        <el-table-column align="center" width="290" label="操作">
          <template slot-scope="scope">
            <el-button icon="el-icon-edit" type="primary" size="mini" @click="handleEdit(scope.row)"  v-if="hasPermission('sys:user:edit')">编辑</el-button>
            <el-button icon="el-icon-delete" type="danger" size="mini" @click="handleDelete(scope.row)">删除</el-button>
            <el-button icon="el-icon-setting" type="primary" size="mini" @click="assignRole(scope.row)">分配角色</el-button>
          </template>
        </el-table-column>
      </el-table>
      <!-- 分页工具栏 -->
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="pageNo" :page-sizes="[10, 20, 30, 40, 50]" :page-size="10"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>

      <!-- 添加和编辑用户窗口 -->
      <system-dialog :title="userDialog.title" :height="userDialog.height" :width="userDialog.width"
        :visible="userDialog.visible" @onClose="onClose" @onConfirm="onConfirm">
        <div slot="content">
          <el-form :model="user" ref="userForm" :rules="rules" label-width="80px" :inline="true" size="small">
            <el-form-item prop="username" label="用户名">
              <el-input v-model="user.username"></el-input>
            </el-form-item>
            <el-form-item prop="password" v-if="user.id === ''" label="密码">
              <el-input type="password" v-model="user.password"></el-input>
            </el-form-item>
            <el-form-item prop="departmentName" label="所属部门">
              <el-input v-model="user.departmentName" :readonly="true" @click.native="selectDepartments()"></el-input>
            </el-form-item>
            <el-form-item prop="realName" label="姓名">
              <el-input v-model="user.realName"></el-input>
            </el-form-item>
            <el-form-item prop="phone" label="电话">
              <el-input v-model="user.phone"></el-input>
            </el-form-item>
            <el-form-item label="昵称">
              <el-input v-model="user.nickName"></el-input>
            </el-form-item>
            <el-form-item label="邮箱">
              <el-input v-model="user.email"></el-input>
            </el-form-item>
            <el-form-item prop="gender" label="性别">
              <el-radio-group v-model="user.gender">
                <el-radio :label="0">男</el-radio>
                <el-radio :label="1">女</el-radio>
              </el-radio-group>
            </el-form-item>
            <br>
            <!-- 用户头像：待补充 -->
            <el-form-item label="头像">
              <el-upload :show-file-list="false" :on-success="handleAvatarSuccess" :before-upload="beforeAvatarUpload"
                class="avatar-uploader" :data="uploadHeader"
                action="http://localhost:8888/api/oss/file/upload?module=avatar">
                <img v-if="user.avatar" :src="user.avatar">
                <i v-else class="el-icon-plus avatar-uploader-icon" />
              </el-upload>
            </el-form-item>
          </el-form>
        </div>
      </system-dialog>


      <!-- 所属部门弹框 -->
      <system-dialog :title="parentDialog.title" :width="parentDialog.width" :height="parentDialog.height"
        :visible="parentDialog.visible" @onClose="onParentClose" @onConfirm="onParentConfirm">
        <div slot="content">
          <el-tree ref="parentTree" :data="parentList" default-expand-all node-key="id" :props="parentProps"
            :show-checkbox="false" :highlight-current="true" :expand-on-click-node="false" @node-click="parentClick">
            <div class="customer-tree-node" slot-scope="{ node, data }">
              <span v-if="data.children.length == 0">
                <i class="el-icon-document" />
              </span>
              <span v-else @click.stop="openParentBtn(data)">
                <svg-icon v-if="data.open" icon-class="add-s" />
                <svg-icon v-else icon-class="sub-s" />
              </span>

              <span style="margin-left:3px">{{ node.label }}</span>
            </div>
          </el-tree>
        </div>
      </system-dialog>


      <!-- 分配角色窗口 -->
      <system-dialog :title="assignDialog.title" :height="assignDialog.height" :width="assignDialog.width"
        :visible="assignDialog.visible" @onClose="onAssignClose" @onConfirm="onAssignConfirm">
        <div slot="content">
          <!-- 分配角色数据列表 -->
          <el-table ref="assignRoleTable" :data="assignRoleList" border stripe style="width: 100%; height: 180px; margin-bottom: 10px" @selection-change="handleSelectionChange">
            <el-table-column type="selection" width="55" align="center">
            </el-table-column>
            <el-table-column prop="roleCode" label="角色编码" />
            <el-table-column prop="roleName" label="角色名称" />
            <el-table-column prop="remark" label="角色备注" />
          </el-table>
          <!-- 分页工具栏 -->
          <el-pagination @size-change="assignSizeChange" @current-change="assignCurrentChange"
            :current-page.sync="roleVo.pageNo" :page-sizes="[10, 20, 30,
              40, 50]" :page-size="roleVo.pageSize" layout="total, sizes, prev, pager, next, jumper" :total="roleVo.total"
            background>
          </el-pagination>
        </div>
      </system-dialog>

    </el-main>
  </el-container>
</template>
<script>
//导入对话框组件
import SystemDialog from '@/components/SystemDialog.vue'
//导入部门api脚本
import departmentApi from "@/api/department";
//导入用户api脚本
import userApi from '@/api/user';
//导入token
import { getToken } from "@/utils/auth";
export default {
  name: "userList",
  components: {
    SystemDialog
  },
  data() {
    //自定义验证规则
    let validatePhone = (rule, value, callback) => {
      if (!value) {
        callback(new Error("请输入手机号码"));
        //使用正则表达式进行验证手机号码
      } else if (!/^1[3456789]\d{9}$/.test(value)) {
        callback(new Error("手机号格式不正确"));
      } else {
        callback();
      }
    };
    return {
       //分配角色窗口属性
       assignDialog: {
        title: "",
        visible: false,
        width: 800,
        height: 410,
      },
      //角色对象
      roleVo: {
        pageNo: 1,
        pageSize: 10,
        userId: "",
        total: 0,
      },
      assignRoleList: [], //角色列表
      assignHeight: 0, //分配角色表格高度
      selectedIds: [], //被选中的角色id
      selectedUserId: "", //被分配角色的用户ID
      //上传需要携带的数据
      uploadHeader: { token: getToken() },
      //选择所属部门窗口属性
      parentDialog: {
        title: '选择所属部门',
        width: 300,
        height: 450,
        visible: false
      },
      //树节点属性
      parentProps: {
        children: 'children',
        label: 'departmentName'
      },

      //添加和修改用户窗口属性
      userDialog: {
        title: '',
        height: 410,
        width: 650,
        visible: false
      },
      //用户对象
      user: {
        id: '',
        departmentId: '',
        departmentName: '',
        email: '',
        realName: '',
        phone: '',
        nickName: '',
        password: '',
        username: '',
        gender: '',
        avatar: ''
      },
      rules: {
        departmentName: [{ required: true, trigger: 'change', message: '请选择所属部门' }],
        realName: [{ required: true, trigger: 'blur', message: '请填写姓名' }],
        phone: [{ trigger: 'blur', validator: validatePhone }],
        username: [{ required: true, trigger: 'blur', message: '请填写登录名' }],
        password: [{ required: true, trigger: 'blur', message: '请填写登录密码' }],
        gender: [{ required: true, trigger: 'change', message: '请选择性别' }]
      },
      //查询条件对象
      searchModel: {
        username: "",
        realName: "",
        phone: "",
        departmentId: "",
        pageNo: 1,
        pageSize: 10,
      },
      userList: [], //用户列表
      tableHeight: 0, //表格高度
      pageNo: 1, //当前页码
      pageSize: 10, //每页显示数量
      total: 0, //总数量
      departmentId: "", //部门编号
      containerHeight: 0, //容器高度
      deptList: [], //左侧部门树形菜单列表
      //树节点属性
      defaultProps: {
        children: "children",
        label: "departmentName",
      },
      parentList: [], //所属部门节点数据
    };
  },
  methods: {

     /**
     * 打开分配角色
     */
     async assignRole(row) {
      //防止回显出现问题
      this.selectedIds = [];
      this.selectedUserId = "";
      //被分配用户的id
      this.selectedUserId = row.id;
      //显示窗口
      this.assignDialog.visible = true;
      //设置标题
      this.assignDialog.title = `给【${row.realName}】分配角色`;
      //查询当前登录用户的所有角色信息
      await this.getAssignRoleList();
      //获取当前被分配用户的ID
      let params = {
        userId: row.id,
      };
      //发送根据用户ID查询角色列表的请求
      let res = await userApi.getRoleIdByUserId(params);
      //如果存在数据
      if (res.success && res.data) {
        //将查询到的角色ID列表交给选中角色数组
        this.selectedIds = res.data;
        //循环遍历
        this.selectedIds.forEach((key) => {
          this.assignRoleList.forEach((item) => {
            if (item.id === key) {
              this.$refs.assignRoleTable.toggleRowSelection(item, true);
            }
          });
        });
      }
    },
     /**
     * 分配角色取消事件
     */
     onAssignClose() {
      //隐藏窗口
      this.assignDialog.visible = false;
    },
    /**
     * 分配角色确认事件
     */
     async onAssignConfirm() {
      //判断用户是否有选中角色
      if (this.selectedIds.length === 0) {
        this.$message.warning("请选择要分配的角色！");
        return;
      }
      let params = {
        userId: this.selectedUserId,
        roleIds: this.selectedIds,
      };
      //发送请求
      let res = await userApi.assignRoleSave(params);
      //判断是否成功
      if (res.success) {
        this.$message.success(res.message);
        //关闭窗口
        this.assignDialog.visible = false;
      } else {
        this.$message.error(res.message);
      }
    },
     /**
     * 当页码发生变化时触发该事件
     * @param page
     */
     assignCurrentChange(page) {
      this.roleVo.pageNo = page;
      //调用查询方法
      this.getAssignRoleList(page, this.roleVo.pageSize);
    },
    /**
     * 当点击多选框时触发该事件
     */
    handleSelectionChange(rows) {
      let roleIds = [];
      //循环遍历选中的角色ID
      for (let i = 0; i < rows.length; i++) {
        //将当前选中的角色ID放到数组中
        roleIds.push(rows[i].id);
      }
      //将选中的角色ID交给成员变量
      this.selectedIds = roleIds;
      // this.selectedIds = rows.map(item => item.id);//等同于上述代码
    },
    /**
     * 当每页数量发生变化时触发该事件
     */
    assignSizeChange(size) {
      this.roleVo.pageSize = size; //将每页显示的数量交给成员变量
      this.getAssignRoleList(this.roleVo.pageNo, size);
    },
     /**
     * 查询当前登录用户的所有角色信息
     */
     async getAssignRoleList(pageNo = 1, pageSize = 10) {
      //给用户ID赋值
      this.roleVo.userId = this.$store.getters.userId;
      this.roleVo.pageNo = pageNo;
      this.roleVo.pageSize = pageSize;
      //发送查询请求
      let res = await userApi.getAssignRoleList(this.roleVo);
      //判断是否成功
      if (res.success) {
        //角色列表赋值
        this.assignRoleList = res.data.records;
        //角色总数量赋值
        this.roleVo.total = res.data.total;
      }
    },
    /**
    * 删除
   */
    async handleDelete(row) {
      let confirm = await this.$myconfirm('确定要删除该数据吗?')
      if (confirm) {
        //封装条件
        let params = { id: row.id }
        //发送删除请求
        let res = await userApi.deleteUser(params)
        //判断是否成功
        if (res.success) {
          this.$message.success(res.message)
          //刷新
          this.search(this.departmentId, this.pageNo, this.pageSize);
        } else {
          this.$message.error(res.message)
        }
      }
    },
    /**
      * 上传成功回调
      * @param res
      * @param file
      */
    handleAvatarSuccess(res, file) {
      this.user.avatar = res.data;
      // 强制重新渲染
      this.$forceUpdate();
    },
    /**
     * 上传校验
     * @param file
     * @returns {boolean}
     */
    beforeAvatarUpload(file) {
      const isJPG = file.type === "image/jpeg";
      const isLt2M = file.size / 1024 / 1024 < 2;
      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },

    /**
   * 编辑用户
   */
    handleEdit(row) {
      //设置弹框属性
      this.userDialog.title = '编辑用户'
      this.userDialog.visible = true
      //把当前编辑的数据复制到表单数据域，供回显使用
      this.$objCopy(row, this.user)
    },
    /**
   * 打开选择上级部门窗口
   */
    async selectDepartments() {
      //查询上级部门数据
      let res = await departmentApi.getDepartmentList(null)
      //判断是否成功
      if (res.success) {
        this.parentList = res.data
        console.log('列表数据', res.data);

      }
      //显示窗口
      this.parentDialog.visible = true
    },
    /**
   * 选择上级部门取消事件
   */
    onParentClose() {
      this.parentDialog.visible = false //关闭窗口
    },
    /**
    * 选择上级部门确认事件
    */
    onParentConfirm() {
      this.parentDialog.visible = false
    },
    //上级部门树节点点击事件
    parentClick(data) {
      this.user.departmentId = data.id
      this.user.departmentName = data.departmentName
    },
    //上级部门树加号 减号 图标点击事件
    openParentBtn(data) {
      data.open = !data.open
      this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open
    },
    /**
* 打开添加窗口
*/
    openAddWindow() {
      this.$resetForm('userForm', this.user) //清空表单
      this.userDialog.visible = true //显示窗口
      this.userDialog.title = '新增用户' //设置标题
    },
    /**
  * 新增或编辑取消事件
  */
    onClose() {
      this.userDialog.visible = false //关闭窗口
    },
    /**
    * 新增或编辑确认事件
    */
    onConfirm() {
      this.$refs.userForm.validate(async (valid) => {
        if (valid) {
          let res = null
          //判断用户ID是否为空
          if (this.user.id === '') {
            //新增
            //发送添加请求
            res = await userApi.addUser(this.user)
          } else {
            //发送修改请求
            res = await userApi.updateUser(this.user)
          }
          //判断是否成功
          if (res.success) {
            this.$message.success(res.message)
            //刷新
            this.search(this.departmentId, this.pageNo, this.pageSize);
            //关闭窗口
            this.userDialog.visible = false
          } else {
            this.$message.error(res.message)
          }
        }
      })
    },

    /**
   * 查询用户列表
   */
    async search(departmentId, pageNo = 1, pageSize = 10) {
      this.searchModel.pageNo = pageNo;
      this.searchModel.pageSize = pageSize;
      this.searchModel.departmentId = departmentId;
      //发送查询请求


      let res = await userApi.getUserList(this.searchModel);
      if (res.success) {
        this.userList = res.data.records;
        this.total = res.data.total;
      }
    },
    /**
    * 查询部门列表
   */
    async getDeptList() {
      //发送查询请求
      let res = await departmentApi.getDepartmentList(null);
      //判断是否成功
      if (res.success) {
        this.deptList = res.data;
        //树加载完成后，默认点击第一个节点
        this.$nextTick(() => {
          const firstNode = document.querySelector(".el-tree-node");
          firstNode.click();
        });
      }
    },
    /**
* 当每页数量发生变化时触发该事件
*/
    handleSizeChange(size) {
      this.pageSize = size; //将每页显示的数量交给成员变量
      this.search(this.departmentId, this.pageNo, size);
    },
    /**
    * 当页码发生变化时触发该事件
   */
    handleCurrentChange(page) {
      this.pageNo = page;
      //调用查询方法
      this.search(this.departmentId, page, this.pageSize);
    },
    /**
    * 重置查询条件
   */
    resetValue() {
      //清空查询条件
      this.searchModel = {};
      //重新查询
      this.search(this.departmentId);
    },
    /**
    * 左侧树节点点击事件
   */
    handleNodeClick(data) {
      //给部门编号赋值
      this.departmentId = data.id;
      //查询数据
      this.search(this.departmentId);
    },
    //加减号图标点击事件
    openBtn(data) {
      //修改折叠展开状态
      data.open = !data.open;
      this.$refs.leftTree.store.nodesMap[data.id].expanded = !data.open;
    },
  },
  created() {
    //查询部门列表
    this.getDeptList();
    //调用查询用户列表
    this.search(this.departmentId);

  },
  mounted() {
    this.$nextTick(() => {
      //内容高度
      this.containerHeight = window.innerHeight - 85;
      //表格高度
      this.tableHeight = window.innerHeight - 220;
       //角色表格高度
       this.assignHeight = window.innerHeight - 350;
    });
  },
};
</script>
<style lang="scss">
//用户头像
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9 !important;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.avatar-uploader .el-upload:hover {
  border-color: #409EFF;
}

.avatar-uploader .avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}

.avatar-uploader img {
  width: 178px;
  height: 178px;
  display: block;
}
</style>